Zongheng Yang created SPARK-2155:
------------------------------------
Summary: Support effectful / non-deterministic key expressions in
CASE WHEN statements
Key: SPARK-2155
URL: https://issues.apache.org/jira/browse/SPARK-2155
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Zongheng Yang
Currently we translate CASE KEY WHEN to CASE WHEN, hence incurring redundant
evaluations of the key expression. Relevant discussions here:
https://github.com/apache/spark/pull/1055/files#r13784248
--
This message was sent by Atlassian JIRA
(v6.2#6252)
